Marsh, Philip Michael
Get It Right : english present tenses / Philip Michael Marsh ; penerjemah, Peni D. Anggari
Grasindo, 2007
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Huddleston, Rodney
A Student's introduction to English grammar
Cambridge University Press, 2006
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Ehrlich, Eugene
Schaum`s outlines of english grammar
McGraw-Hill, 2011
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Murphy, Raymond
English grammar in use : a reference and practice book for intermediate students
Cambridge University Press, 1998
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Hult, Christine A.
The handy English grammar answer book
2016
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